Base | Representation |
---|---|
bin | 10001111111000010… |
… | …011111110010001101 |
3 | 1211211211111010120012 |
4 | 101333002133302031 |
5 | 304022133330333 |
6 | 12512122403005 |
7 | 1252356514241 |
oct | 217702376215 |
9 | 54754433505 |
10 | 19311230093 |
11 | 820a75aaa1 |
12 | 38ab360465 |
13 | 1a89a9ac8c |
14 | d12a32421 |
15 | 780565e48 |
hex | 47f09fc8d |
19311230093 has 8 divisors (see below), whose sum is σ = 19425211200. Its totient is φ = 19197317088.
The previous prime is 19311230083. The next prime is 19311230101. The reversal of 19311230093 is 39003211391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19311230093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19311230063) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621905 + ... + 652217.
It is an arithmetic number, because the mean of its divisors is an integer number (2428151400).
Almost surely, 219311230093 is an apocalyptic number.
It is an amenable number.
19311230093 is a deficient number, since it is larger than the sum of its proper divisors (113981107).
19311230093 is a wasteful number, since it uses less digits than its factorization.
19311230093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34051.
The product of its (nonzero) digits is 4374, while the sum is 32.
The spelling of 19311230093 in words is "nineteen billion, three hundred eleven million, two hundred thirty thousand, ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •